TY  - GEN
AU  - Ayres,Frank
TI  - Schaum's Outline of Theory and Problems of Differential Equations : In Si Metric Units. 
T2  - Schaum's Outline Series
SN  - 0070990069 
U1  - 515.3 
PY  - 1981///
CY  - Singapore
PB  - McGraw Hill Book Company
KW  - Differential Equations
ER  -